Quick definitions from WordNet (linear)▸ adjective:designating or involving an equation whose terms are of the first degree▸ adjective:measured lengthwise▸ adjective:of a leaf shape; long and narrow▸ adjective:of or in or along or relating to a line; involving a single dimension ("A linear foot")▸ adjective:of a circuit or device having an output that is proportional to the input ("Linear amplifier")▸ name: A surname (very rare: popularity rank in the U.S.: #31625)
▸ Word origin